from tkinter import *
coords = [0, 0, 10, 0, 10, 10, 20, 10, 20, 0, 30, 0, 30, 20, 0, 20]
print("Введите значение n:")
n = int(input())
print("Введите значение x:")
x = int(input())
print("Введите значение y:")
y = int(input())
bot = Tk()
bot.title("ИТ марафон")
bot.geometry("500x500")
canvas = Canvas(bg = "white", width = 500, height = 500)
canvas.pack(anchor = CENTER, expand = 1)
canvas.create_polygon(coords[0] * n + x,coords[1] * n + y,coords[2] * n + x,
                      coords[3] * n + y,coords[4] * n + x,coords[5] * n + y,
                      coords[6] * n + x,coords[7] * n + y,coords[8] * n + x,
                      coords[9] * n + y,coords[10] * n + x,coords[11] * n + y,
                      coords[12] * n + x,coords[13] * n + y,coords[14] * n + x,
                      coords[15] * n + y)
if n == 0 and x >= 0 and x <= 500 and y >= 0 and y >= 500:
    pass
elif n > 0 and 0 * n + x >= 0 and 0 * n + y >= 0 and 30 * n + x <= 500 and 20 * n + x <= 500:
    pass
elif n < 0 and 30 * n + x >= 0 and 20 * n + y >= 0 and 0 * n + x <= 500 and 0 * n + x <= 500:
    pass
else:
    print("Фигура превышает максимальные размеры поля")
    exit()

bot.mainloop()